Periodicakly, my sound simply changes volume of itself. I usually have my sound mute, and in some apps I find that Media sound is not on current volume, i.e. Mute, but on previous. And recently, in one game, when my media sound was mute, it suddenly changed to previous volume. I have Samsung Galaxy Tab A6, and I have this problem after the last major update, but after some time after the update
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